package Ch9;

public class Calculrator2 {

	public static double add(double x, double y){
		return x + y;
	}
	public static double minus(double x, double y){
		return x - y;
	}
	public static double multi(double x, double y){
		return x * y;
	}
	public static double divide(double x, double y){
		return x / y;
	}
}

